<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page,index) in pages" :key="index">
        <div class="icon" v-for="item in page" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl">
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  props:{
    list:Array
  },
  computed:{
    pages(){
      const pages=[]
      this.list.forEach((item,index)=>{
        const page=Math.floor(index/8)
        if (!pages[page]) {
          pages[page]=[]
        } 
         pages[page].push(item) 
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  @import '~styles/mixins.styl'
  .icons >>> .swiper-container
    height :0;
    padding-bottom :50%;
  .icons
    margin-top: .1rem
    .icon 
      position:relative;
      overflow :hidden;
      float :left; 
      width :25%;
      height :0;
      padding-bottom:25%;
      .icon-img
        position:absolute;
        top:0;
        left:0;
        right:0;
        bottom :0.44rem;
        box-sizing:border-box;
        padding: 0.1rem;
        .icon-img-content
          display :block;
          margin :0 auto;
          height :100%;
      .icon-desc
        position:absolute;
        left:0;
        right:0;
        bottom:0;
        height :0.44rem;
        line-height :0.44rem;
        text-align :center;
        color:$darkTextColor;
        ellipsis()  
</style>

